L'EXTRAPLANÉTAIRE IMPRESSIONS SUR LES TERRESTRES. Paris: Louis Conrad, Libraire-Éditeur, 1926. Octavo, pp. [1-2] [1-5] 6  8-276 [277-278: blank], original cream wrappers printed in red and black, all edges untrimmed. First edition. Ferdinand-Sigismond Bach, known as Ferdinand Bac, (1859-1952) was a French artist, landscape architect and prolific author of works on social, historical and political subjects. Bac's early drawings were published in the satirical weekly LA CARICATURE, edited by Albert Robida. He became one of the leading caricaturists of his time. His second career was that of a landscape architect. Wrappers dusty, nick in front cover, a good copy. An uncommon book. (#162943).